155534 has 8 divisors (see below), whose sum is σ = 245640. Its totient is φ = 73656.

The previous prime is 155521. The next prime is 155537. The reversal of 155534 is 435551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009 + ... + 2084.

It is an arithmetic number, because the mean of its divisors is an integer number (30705).

2¹⁵⁵⁵³⁴ is an apocalyptic number.

155534 is a deficient number, since it is larger than the sum of its proper divisors (90106).

155534 is a wasteful number, since it uses less digits than its factorization.

155534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114.

The product of its digits is 1500, while the sum is 23.

The square root of 155534 is about 394.3779912723. The cubic root of 155534 is about 53.7784705848.

The spelling of 155534 in words is "one hundred fifty-five thousand, five hundred thirty-four".